Alert archive / California / Winter Storm Warnings in 2013
Winter Storm Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Feb 7, 2013, 11:58 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 8, 2013, 3:00 AM PST. It was in force for 24 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 7, 2013, 11:58 AM PST (19:58 UTC)
- In effect from
- Feb 8, 2013, 3:00 AM PST
- Expired
- Feb 9, 2013, 3:01 AM PST
- In force
- 24 hr
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 20:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 8, 3:00 PM PST | HEAVY SNOW 13 | Big Bear City, CA | 6900 FEET. SNOWFALL REPORTS FROM 5 TO 13 INCHES FROM RUNNING SPRINGS TO BIG BEAR TO FOREST FALLS |
| Feb 8, 7:30 PM PST | HEAVY SNOW 18 | 3 Sw Big Bear City, CA | 18 INCHES OF NEW SNOW AT SNOW SUMMIT SKI RESORT. |
| Feb 8, 7:30 PM PST | HEAVY SNOW 21 | 3 Ne Running Springs, CA | 21 INCHES OF SNOW FELL AT GREEN VALLEY LAKE AT 7150 FEET ELEVATION. |
| Feb 8, 10:30 PM PST | HEAVY SNOW 10 | Mount Laguna, CA | 10 INCHES OF SNOW AT MOUNT LAGUNA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 8.0 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
858 WWUS46 KSGX 071958 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1158 AM PST THU FEB 7 2013 ...WINTER STORM CONDITIONS EXPECTED IN THE MOUNTAINS ON FRIDAY... .A COLD PACIFIC STORM WILL BRING SIGNIFICANTLY COLDER AIR TO THE REGION AS WELL AS LOWER ELEVATION SNOW. SNOW LEVELS WILL QUICKLY FALL TONIGHT TO AROUND 5000 FEET...BEFORE PLUNGING ON FRIDAY TO NEAR 3000 FEET. LOCALLY LOWER SNOW LEVELS WILL BE POSSIBLE IN SOME SHOWERS AND POSSIBLE THUNDERSTORMS. GUSTY WEST WINDS MAY ALSO CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO A QUARTER MILE OR LESS AT TIMES. CAZ055-080400- /O.UPG.KSGX.WW.Y.0003.130208T1000Z-130209T0600Z/ /O.NEW.KSGX.WS.W.0002.130208T1100Z-130209T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 1158 AM PST THU FEB 7 2013 ...WINTER STORM WARNING IN EFFECT FROM 3 AM TO 10 PM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR SNOW...BLOWING SNOW...AND STRONG WINDS...WHICH IS IN EFFECT FROM 3 AM TO 10 PM PST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SNOW LEVELS...SNOW LEVELS AROUND 4500 FEET LATE TONIGHT WILL FALL TO AROUND 3000 FEET BY AFTERNOON. * TIMING...HEAVIEST SNOW IS EXPECTED DURING THE DAY ON FRIDAY. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH UP TO TEN INCHES POSSIBLE ABOVE 6000 FEET. AMOUNTS OF ONE TO FOUR INCHES POSSIBLE AS LOW AS 3000 FEET. * WINDS...WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 50 MPH. * VISIBILITY...LOCAL VISIBILITIES DOWN TO A QUARTER MILE OR LESS AT TIMES IN BLOWING SNOW. * IMPACTS...SLIPPERY AND SNOW COVERED ROADS...HAZARDOUS TRAVEL. POSSIBLE DELAYS ON THE I-15 THROUGH THE CAJON PASS. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW SHOULD BE ENDING FRIDAY EVENING. COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...WITH FREEZING TEMPERATURES POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. LIMIT TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ056-058-080400- /O.UPG.KSGX.WW.Y.0003.130208T1600Z-130209T0600Z/ /O.NEW.KSGX.WS.W.0002.130208T1100Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 1158 AM PST THU FEB 7 2013 ...WINTER STORM WARNING IN EFFECT FROM 3 AM FRIDAY TO 3 AM PST SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR SNOW...BLOWING SNOW...AND STRONG WINDS...WHICH IS IN EFFECT FROM 3 AM FRIDAY TO 3 AM PST SATURDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SNOW LEVELS...SNOW LEVELS AROUND 5000 FEET FRIDAY MORNING FALLING TO AROUND 3000 FEET LATE IN THE DAY AND LOCALLY 2500 FEET OVERNIGHT. * TIMING...HEAVIEST SNOW EXPECTED FRIDAY AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH UP TO TEN INCHES POSSIBLE ON THE HIGHEST PEAKS. LOCAL AMOUNTS OF ONE TO FOUR INCHES POSSIBLE BETWEEN 3000 AND 4000 FEET. * WINDS...WEST WINDS 15 TO 35 MPH...WITH LOCAL GUSTS UP TO 60 MPH OVER THE WINDIEST RIDGES. * VISIBILITY...LOCAL VISIBILITIES DOWN BELOW QUARTER MILE AT TIMES IN BLOWING SNOW. * IMPACTS...SLIPPERY AND SNOW COVERED ROADS...HAZARDOUS TRAVEL. POSSIBLE DELAYS ON THE I-8 DUE TO ICE AND LOW VISIBILITY AT TIMES. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW SHOULD BE ENDING LATE FRIDAY NIGHT. COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...WITH FREEZING TEMPERATURES POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ JAD
5 follow-up statements
577 WWUS46 KSGX 080355 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 755 PM PST THU FEB 7 2013 ...WINTER STORM CONDITIONS EXPECTED IN THE MOUNTAINS ON FRIDAY... .A COLD PACIFIC STORM WILL BRING MODERATE SNOW AND GUSTY SOUTHWEST TO WEST WINDS TO THE MOUNTAINS ON FRIDAY. SNOW LEVELS WILL QUICKLY FALL TONIGHT TO AROUND 4500 FEET...DOWN TO 3000 FT DURING THE DAY FRIDAY. SNOW LEVELS WILL LOWER TO AROUND 2500 FT FRIDAY NIGHT. LOCALLY LOWER SNOW LEVELS WILL BE POSSIBLE IN HEAVIER SHOWERS AND POSSIBLE THUNDERSTORMS. GUSTY WEST WINDS MAY ALSO CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO A QUARTER MILE OR LESS AT TIMES. CAZ055-081300- /O.CON.KSGX.WS.W.0002.130208T1100Z-130209T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 755 PM PST THU FEB 7 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TO 10 PM PST FRIDAY... * SNOW LEVELS...SNOW LEVELS AROUND 4500 FEET TONIGHT WILL FALL TO AROUND 3000 FEET BY AFTERNOON. THE SNOW LEVEL WILL FALL TO AROUND 2500 FT FRIDAY NIGHT. * TIMING...HEAVIEST SNOW IS EXPECTED DURING THE DAY ON FRIDAY. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH ISOLATED AMOUNTS UP TO TEN INCHES POSSIBLE ABOVE 6000 FEET...MAINLY ALONG THE COASTAL SLOPES. AMOUNTS OF ONE TO FOUR INCHES POSSIBLE AS LOW AS 3000 FEET. * WINDS...SOUTHWEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 50 MPH. * VISIBILITY...LOCAL VISIBILITIES DOWN TO A QUARTER MILE OR LESS AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS IN THE MOUNTAINS...INCLUDING ALONG I-15 THROUGH THE CAJON PASS. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF FRIDAY NIGHT. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. LIMIT TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ056-058-081300- /O.CON.KSGX.WS.W.0002.130208T1100Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 755 PM PST THU FEB 7 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM FRIDAY TO 3 AM PST SATURDAY... * SNOW LEVELS...SNOW LEVELS AROUND 4500 FEET FRIDAY MORNING FALLING TO AROUND 3000-3500 FEET LATE IN THE DAY AND LOCALLY 2500 FEET OVERNIGHT. * TIMING...HEAVIEST SNOW EXPECTED DURING THE DAY FRIDAY. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH UP TO TEN INCHES POSSIBLE ON THE HIGHER ELEVATION COASTAL SLOPES. LOCAL AMOUNTS OF ONE TO FOUR INCHES POSSIBLE BETWEEN 3000 AND 4000 FEET. * WINDS...WEST WINDS 15 TO 35 MPH...WITH LOCAL GUSTS UP TO 60 MPH OVER THE WINDIEST RIDGES AND DESERT SLOPES. * VISIBILITY...LOCAL VISIBILITIES DOWN BELOW QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS THROUGH THE MOUNTAINS...INCLUDING ALONG I-8. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF TO SHOWERS FRIDAY NIGHT THROUGH SATURDAY. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SS
067 WWUS46 KSGX 081105 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 305 AM PST FRI FEB 8 2013 ...LOW ELEVATION SNOW TODAY AND TONIGHT... .A COLD PACIFIC STORM WILL CONTINUE TO MOVE INTO SOUTHERN CALIFORNIA THIS MORNING...BRINGING MODERATE SNOW AND GUSTY SOUTHWEST TO WEST WINDS TO THE MOUNTAINS. SNOW LEVELS WILL CRASH TODAY...FROM AROUND 5000 FEET THIS MORNING TO BETWEEN 2500 AND 3500 FEET BY THIS AFTERNOON. SNOW LEVELS WILL LOWER EVEN MORE THIS EVENING TO BETWEEN 2000 AND 2500 FEET...WITH LOCALLY LOWER SNOW LEVELS POSSIBLE IN HEAVIER SHOWERS AND THUNDERSTORMS. GUSTY WEST WINDS MAY ALSO CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO A QUARTER MILE OR LESS AT TIMES. TRAVEL ACROSS THE PASSES TODAY WILL BE HAZARDOUS. CAZ055-082200- /O.CON.KSGX.WS.W.0002.000000T0000Z-130209T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 305 AM PST FRI FEB 8 2013 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 PM PST THIS EVENING. * TIMING...HEAVIEST SNOW WILL OCCUR DURING THE DAY TODAY. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH ISOLATED AMOUNTS UP TO TEN INCHES POSSIBLE ABOVE 6000 FEET...MAINLY ALONG THE COASTAL SLOPES. UP TO FOUR INCHES OF NEW SNOW ARE POSSIBLE AS LOW AS 3000 FEET. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 50 MPH. * VISIBILITY...LOCAL VISIBILITIES DOWN TO A QUARTER MILE OR LESS AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS IN THE MOUNTAINS...INCLUDING ALONG I- 15 THROUGH THE CAJON PASS. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF TONIGHT. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS... POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. LIMIT TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ056-058-082200- /O.CON.KSGX.WS.W.0002.000000T0000Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 305 AM PST FRI FEB 8 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY. * TIMING...HEAVIEST SNOW WILL OCCUR DURING THE DAY TODAY. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH UP TO TEN INCHES POSSIBLE ON THE HIGHER PEAKS. LOCAL AMOUNTS OF ONE TO FOUR INCHES POSSIBLE BETWEEN 3000 AND 4000 FEET. * WINDS...WEST WINDS 20 TO 35 MPH...WITH LOCAL GUSTS UP TO 60 MPH OVER THE WINDIEST RIDGES AND DESERT SLOPES. * VISIBILITY...LOCAL VISIBILITIES DOWN BELOW QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS THROUGH THE MOUNTAINS...INCLUDING ALONG I-8. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF TO SHOWERS LATE TONIGHT AND ON SATURDAY. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ060-082200- /O.NEW.KSGX.WW.Y.0004.130208T2000Z-130209T0600Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 305 AM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING ABOVE 2500 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 2500 FEET FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING. * ELEVATION... ABOVE 2500 FEET. * SNOW LEVELS...FALLING TO AROUND 2000 FEET THIS EVENING. * SNOW ACCUMULATIONS...ONE TO THREE INCHES...WITH LOCAL AMOUNTS UP TO FOUR INCHES NEAR THE FOOTHILLS. * TIMING...THIS AFTERNOON AND EVENING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE * WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 50 MPH. * VISIBILITY...LOCALLY DOWN TO A HALF MILE IN BLOWING SNOW. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS ACROSS THE HIGH DESERT AND LEADING INTO THE MOUNTAINS...INCLUDING ALONG I-15. CHAINS MAY BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER TO ISOLATED SHOWERS TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PALMER
541 WWUS46 KSGX 081955 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1155 AM PST FRI FEB 8 2013 ...LOW ELEVATION SNOW TODAY AND TONIGHT... .A COLD PACIFIC STORM WILL MOVE THROUGH SOUTHERN CALIFORNIA THIS EVENING...BRINGING SNOW SHOWERS...ISOLATED THUNDERSTORMS...AND GUSTY SOUTHWEST TO WEST WINDS. SNOW LEVELS WILL FALL FROM AROUND 3500 FEET THIS AFTERNOON TO BETWEEN 2000 AND 2500 FEET THIS EVENING. LOCALLY LOWER SNOW LEVELS WILL BE POSSIBLE IN THE HEAVIER SHOWERS AND THUNDERSTORMS. GUSTY WEST WINDS MAY ALSO CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO ONE-QUARTER MILE OR LESS AT TIMES. TRAVEL ACROSS THE PASSES WILL BE HAZARDOUS. THE WEATHER WILL IMPROVE ON SATURDAY...ALTHOUGH ROADS WILL LIKELY REMAIN SLIPPERY IN SOME AREAS. CAZ055-090500- /O.CON.KSGX.WS.W.0002.000000T0000Z-130209T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 1155 AM PST FRI FEB 8 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * TIMING...HEAVIEST SNOWFALL THIS AFTERNOON THROUGH THIS EVENING. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH ISOLATED AMOUNTS UP TO TEN INCHES POSSIBLE ABOVE 6000 FEET...MAINLY ALONG THE COASTAL SLOPES. UP TO FOUR INCHES OF NEW SNOW ARE POSSIBLE AS LOW AS 3000 FEET. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 50 MPH. * VISIBILITY...LOCAL VISIBILITIES ONE-QUARTER MILE OR LESS AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS IN THE MOUNTAINS...INCLUDING ALONG I-15 THROUGH THE CAJON PASS. CHAINS WILL BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF TONIGHT. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. LIMIT TRAVEL. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ056-058-090500- /O.CON.KSGX.WS.W.0002.000000T0000Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 1155 AM PST FRI FEB 8 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY. * TIMING...HEAVIEST SNOW WILL OCCUR DURING THE LATE AFTERNOON AND EVENING. * SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES ABOVE 4000 FEET... WITH UP TO TEN INCHES POSSIBLE ON THE HIGHER PEAKS. LOCAL AMOUNTS OF TWO TO FOUR INCHES POSSIBLE BETWEEN 3000 AND 4000 FEET. * WINDS...WEST WINDS 20 TO 35 MPH...WITH LOCAL GUSTS UP TO 60 MPH OVER THE WINDIEST RIDGES AND DESERT SLOPES. * VISIBILITY...LOCAL VISIBILITY BELOW ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS THROUGH THE MOUNTAINS...INCLUDING ALONG I-8. CHAINS WILL BE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF LATE TONIGHT AND ON SATURDAY. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ048-050-090500- /O.EXB.KSGX.WW.Y.0004.130209T0000Z-130209T0800Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN DIEGO COUNTY VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA...POTRERO 1155 AM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT ABOVE 2000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 2000 FEET FOR SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO MIDNIGHT PST TONIGHT. * ELEVATION...SNOW MAY BRIEFLY FALL BELOW 2000 FEET...BUT SIGNIFICANT ACCUMULATIONS ARE EXPECTED MAINLY ABOVE 2000 FEET. * SNOW ACCUMULATIONS...ONE TO THREE INCHES...WITH LOCAL AMOUNTS UP TO FOUR INCHES ON THE HIGHEST TERRAIN. * LOCATIONS INCLUDE: ALPINE...POTRERO...SANTA ISABEL...BEAUMONT AND YUCAIPA. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH...WITH HIGHER GUSTS. * VISIBILITY...LOCALLY DOWN TO ONE-HALF MILE IN FALLING AND BLOWING SNOW. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY MAY TRAVEL HAZARDOUS IN SOME AREAS. * OUTLOOK...SNOW WILL DECREASE LATE THIS EVENING OVER RIVERSIDE COUNTY AND LATE TONIGHT IN SAN DIEGO COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF ACCUMULATING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. && $$ CAZ057-090500- /O.EXA.KSGX.WW.Y.0004.130208T2000Z-130209T0600Z/ SANTA ANA MOUNTAINS AND FOOTHILLS- INCLUDING THE FOLLOWING LOCATIONS...CASE SPRINGS...EL CARISO... ORTEGA HIGHWAY AT 2600 FEET...SILVERADO 1155 AM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 10 PM PST THIS EVENING. * SNOW LEVELS...FALLING TO AROUND 2000 FEET THIS EVENING. * SNOW ACCUMULATIONS...ONE TO FOUR INCHES. * TIMING...THIS AFTERNOON THROUGH THIS EVENING. * LOCATIONS INCLUDE: EL CARISO...SANTA ROSA PLATEAU...SANTIAGO PEAK AND ORTEGA HIGHWAY THROUGH THE MOUNTAINS. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH HIGHER GUSTS. * VISIBILITY...LOCALLY DOWN TO ONE-QUARTER MILE IN FALLING AND BLOWING SNOW AT TIMES. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS. * OUTLOOK...SNOW WILL DIMINISH OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ060-090500- /O.CON.KSGX.WW.Y.0004.130208T2000Z-130209T0600Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 1155 AM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 2500 FEET... A WINTER WEATHER ADVISORY ABOVE 2500 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * ELEVATION... ABOVE 2500 FEET. * SNOW LEVELS...FALLING TO AROUND 2000 FEET THIS EVENING. * SNOW ACCUMULATIONS...AN INCH OR SO POSSIBLE...POSSIBLY HEAVIER NEAR THE FOOTHILLS. * TIMING...THIS AFTERNOON AND EVENING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY AND VICTORVILLE. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO 45 MPH. * VISIBILITY...LOCALLY DOWN TO ONE-HALF MILE IN BLOWING SNOW. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY MAY MAKE TRAVEL HAZARDOUS...ESPECIALLY LEADING INTO THE MOUNTAINS... INCLUDING ALONG I-15. * OUTLOOK...SNOW WILL TAPER TO ISOLATED SHOWERS TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JAD
059 WWUS46 KSGX 090507 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 907 PM PST FRI FEB 8 2013 ...LOW ELEVATION SNOW ENDING TONIGHT... .SNOW SHOWERS WILL GRADUALLY TAPER OFF FROM NORTH TO SOUTH OVERNIGHT. SNOW LEVELS WILL REMAIN AROUND 2000-2500 FT. LOCALLY LOWER SNOW LEVELS WILL BE POSSIBLE IN THE HEAVIER SHOWERS. GUSTY WEST WINDS MAY ALSO CAUSE BLOWING SNOW TO REDUCE VISIBILITIES TO ONE- QUARTER MILE OR LESS AT TIMES. TRAVEL ACROSS THE PASSES WILL BE HAZARDOUS. THE WEATHER WILL IMPROVE ON SATURDAY...ALTHOUGH ROADS WILL LIKELY REMAIN SLIPPERY IN SOME AREAS. CAZ055-090615- /O.CAN.KSGX.WS.W.0002.000000T0000Z-130209T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 907 PM PST FRI FEB 8 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER STORM WARNING. SHOWER ACTIVITY IS RAPIDLY DECREASING ACROSS THE SAN BERNARDINO COUNTY MOUNTAINS. A FEW LIGHT SHOWERS MAY LINGER OVERNIGHT. HOWEVER...ANY ADDITIONAL SNOWFALL ACCUMULATIONS WILL GENERALLY BE LESS THAN ONE INCH. SLIPPERY ROADS AND REDUCED VISIBILITY IN FOG WILL CONTINUE TO MAKE TRAVEL HAZARDOUS OVERNIGHT. $$ CAZ060-090615- /O.CAN.KSGX.WW.Y.0004.000000T0000Z-130209T0600Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 907 PM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER WEATHER ADVISORY. SHOWER ACTIVITY HAS DECREASED SUBSTANTIALLY...SO THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. A FEW LIGHT SHOWERS MAY REDEVELOP OVERNIGHT. HOWEVER...LITTLE ADDITIONAL ACCUMULATION IS EXPECTED. $$ CAZ056-058-091100- /O.CON.KSGX.WS.W.0002.000000T0000Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 907 PM PST FRI FEB 8 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PST SATURDAY. * TIMING...SCATTERED SNOW SHOWERS THROUGH EARLY SATURDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF ONE TO TWO INCHES. * WINDS...WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...LOCAL VISIBILITY BELOW ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS THROUGH THE MOUNTAINS...INCLUDING ALONG I-8. CHAINS ARE REQUIRED FOR SOME ROADS. * OUTLOOK...SNOW WILL TAPER OFF THROUGH EARLY SATURDAY MORNING. VERY COLD CONDITIONS WILL CONTINUE FOR THE NEXT SEVERAL NIGHTS...POTENTIALLY CAUSING AREAS OF BLACK ICE OR SLIPPERY ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ057-091100- /O.EXT.KSGX.WW.Y.0004.000000T0000Z-130209T1100Z/ SANTA ANA MOUNTAINS AND FOOTHILLS- INCLUDING THE FOLLOWING LOCATIONS...CASE SPRINGS...EL CARISO... ORTEGA HIGHWAY AT 2600 FEET...SILVERADO 907 PM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 AM PST SATURDAY. * SNOW LEVELS...2000 TO 2500 FT. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND ONE INCH. * TIMING...THROUGH EARLY SATURDAY MORNING. * LOCATIONS INCLUDE: EL CARISO...SANTA ROSA PLATEAU...SANTIAGO PEAK AND ORTEGA HIGHWAY THROUGH THE MOUNTAINS. * WINDS...SOUTHWEST TO WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...LOCALLY DOWN TO ONE-QUARTER MILE IN FALLING AND BLOWING SNOW AT TIMES. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY WILL MAKE TRAVEL HAZARDOUS. * OUTLOOK...SNOW WILL DIMINISH OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ048-050-091100- /O.EXT.KSGX.WW.Y.0004.000000T0000Z-130209T1100Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN DIEGO COUNTY VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA...POTRERO 907 PM PST FRI FEB 8 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY ABOVE 2000 FEET... THE WINTER WEATHER ADVISORY ABOVE 2000 FEET IS NOW IN EFFECT UNTIL 3 AM PST SATURDAY. * ELEVATION...SNOW MAY BRIEFLY FALL BELOW 2000 FEET...BUT SIGNIFICANT ACCUMULATIONS ARE EXPECTED MAINLY ABOVE 2000 FEET. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS UP TO ONE INCH. * LOCATIONS INCLUDE: ALPINE...POTRERO...SANTA YSABEL...BEAUMONT AND YUCAIPA. * WINDS...SOUTHWEST TO WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS. * VISIBILITY...LOCALLY DOWN TO ONE-HALF MILE IN FALLING AND BLOWING SNOW. * IMPACTS...SLICK...SNOW COVERED ROADS AND REDUCED VISIBILITY MAY MAKE TRAVEL HAZARDOUS IN SOME AREAS. * OUTLOOK...SNOW SHOWERS WILL TAPER OFF OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF ACCUMULATING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. && $$ SS
456 WWUS46 KSGX 091101 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 301 AM PST SAT FEB 9 2013 ...DECREASING SHOWERS THROUGH EARLY THIS MORNING... .SHOWERS WILL CONTINUE TO DECREASE THROUGH EARLY THIS MORNING WITH MOST OF THE COVERAGE OVER SOUTHERN COASTAL AND VALLEY AREAS OF SAN DIEGO COUNTY. A FEW LIGHT SNOW SHOWERS ARE POSSIBLE...MAINLY NEAR THE SAN DIEGO COUNTY MOUNTAINS...FOR THIS AFTERNOON INTO THIS EVENING. CAZ056-058-091215- /O.CAN.KSGX.WS.W.0002.000000T0000Z-130209T1100Z/ RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 301 AM PST SAT FEB 9 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER STORM WARNING. A FEW LIGHT SNOW SHOWERS MAY LINGER OVER THE SAN DIEGO COUNTY MOUNTAINS EARLY THIS MORNING WITH ADDITIONAL SNOWFALL OF 1 INCH OR LESS. $$ CAZ048-050-057-091215- /O.CAN.KSGX.WW.Y.0004.000000T0000Z-130209T1100Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN DIEGO COUNTY VALLEYS-SANTA ANA MOUNTAINS AND FOOTHILLS- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...CASE SPRINGS...EL CARISO... ORTEGA HIGHWAY AT 2600 FEET...SILVERADO 301 AM PST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER WEATHER ADVISORY. A FEW LIGHT SNOW SHOWERS ARE POSSIBLE OVER THE FAR INLAND PORTIONS OF THE SOUTHERN SAN DIEGO COUNTY VALLEYS THROUGH EARLY THIS MORNING WITH ANY ADDITIONAL SNOWFALL OF 1 INCH OR LESS...MAINLY ABOVE 2500 FEET. $$ 17
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Diego, CA wrote its last area forecast discussion before this winter storm warning went out at Feb 7, 9:00 AM PST, 2 hours 58 minutes earlier.
Area forecast discussion, Feb 7, 9:00 AM PST, 2 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
900 AM PST THU FEB 7 2013
.SYNOPSIS...
A VERY COLD TROUGH OF LOW PRESSURE WILL BE DEVELOPING SOUTH OVER
CALIFORNIA THROUGH SATURDAY MORNING. STRONG AND GUSTY WESTERLY WINDS
WILL DEVELOP OVER THE MOUNTAINS AND DESERTS OVERNIGHT...AND IT WILL
BECOME MUCH COLDER THROUGH THE WEEKEND. RAIN SHOWERS WILL BREAK OUT
OVERNIGHT AND QUICKLY TURN TO SNOW IN THE MOUNTAINS. THE SNOW LEVEL
WILL DROP ENOUGH TO DUST THE FOOTHILLS WITH LIGHT ACCUMULATIONS
FRIDAY AND FRIDAY NIGHT. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS
ON FRIDAY. THE PRECIPITATION IS EXPECTED TO DIMINISH EARLY SATURDAY.
DRY AND A LITTLE WARMER BY SUNDAY. SLOW WARMING WILL CONTINUE NEXT
WEEK UNDER WEAK HIGH PRESSURE ALOFT.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
SATELLITE IMAGERY EARLY THIS MORNING SHOWED AREAS OF FOG OVER THE
INLAND EMPIRE AND TO A LESSER EXTENT...THE VALLEYS OF SAN DIEGO
COUNTY. EXPECT THIS WILL LIFT SHORTLY AND THE ADVISORY WILL BE
CANCELLED FOR THE INLAND EMPIRE. ELSEWHERE...SKIES WERE CLEAR EXCEPT
OVER THE COASTAL WATERS. WINDS WERE LIGHT AS WELL. THE 12Z MIRAMAR
SOUNDING HAD A WEAK INVERSION BASED NEAR 2700 FT AND WAS SATURATED
DOWN TO THE SFC. THE PW WAS MEASURED AT 0.36 INCH.
GOOD CONTINUITY AND AGREEMENT WITH THE MODELS THIS MORNING. A TROUGH
OF LOW PRESSURE WILL DEEPEN SOUTH OVER CA THROUGH FRI NIGHT. SHOWERS
WILL BREAK OUT OVERNIGHT AND BECOME MORE WIDESPREAD THROUGH FRI.
VARIOUS ADVISORIES ARE IN EFFECT TO COVER EXPECTED PRECIPITATION AND
WIND INTO SAT MORNING. SEE LAXWSWSGX AND LAXNPWSGX. THE UPPER-LOW
WILL LIFT OUT ON SAT. PRECIP SHOULD END EARLY ON ST IN SAN DIEGO
COUNTY BUT IT WILL REMAIN CHILLY. AREAS OF FROST AND POSSIBLE
FREEZING CONDITIONS LOOK LIKELY FOR SUN MORNING BEFORE A GRADUAL
WARMING TREND ENSUES UNDER BUILDING HEIGHTS/THICKNESS. A PERIOD OF
GUSTY OFFSHORE WINDS ARE POSSIBLE SUN NIGHT INTO MON MORNING AS
WINDS ALOFT AUGMENT SURFACE HIGH PRESSURE BUILDING INTO THE GREAT
BASIN. CONTINUED WARMING AND DRY THROUGH MUCH OF NEXT WEEK.
PRECIPITATION...EXPECT SOME LIGHT RAIN SHOWERS TO BREAK OUT AFTER
DARK AND INCREASE IN INTENSITY...ESPECIALLY OVER THE SAN BERNARDINO
MOUNTAINS. THE SNOW LEVEL WILL DROP QUICKLY THERE FRI MORNING TO
NEAR 4K FT...AND THEN FALL FURTHER THROUGH THE DAY AND EVENING TO
NEAR 3K FT. THE HEAVIEST SNOWFALL SHOULD OCCUR IN THE SAN
BERNARDINOS DURING THE DAY AS LIFT AND INSTABILITY ARE MAXIMIZED.
THIS WILL TRANSLATE SOUTH TO SAN DIEGO COUNTY THROUGH THE DAY AND
FRI EVENING. OVERALL PRECIPITATION IS NOT EXPECTED TO BE EXCESSIVE
DUE TO LIMITED MOISTURE AVAILABILITY. HOWEVER...IT WILL BE VERY COLD
ALOFT AND HENCE UNSTABLE...RESULTING IN SCATTERED MODERATE TO HEAVY
SHOWERS. SOME OF THESE WILL LIKELY CONTAIN GRAUPEL AND/OR SMALL HAIL
AND MAY BRIEFLY PUSH SNOW LEVELS TO NEAR 2000 FEET. WIDESPREAD STORM
TOTAL LIQUID AMOUNTS ARE EXPECTED TO BE ONE INCH OR LESS. ISOLATED
HEAVIER AMOUNTS MAY ACCUMULATE IN CONVECTION AND LOCALLY IN THE
MTNS. THE SHOWER EMPHASIS WILL SHIFT SOUTH TO SAN DIEGO COUNTY BY
FRI EVENING AND TAPER NORTHWARD AS ONSHORE FLOW AND ISLAND
ENHANCEMENT BECOME THE PRIMARY DRIVERS.
WIND...SW TO W WINDS WILL BEGIN TO INCREASE THIS AFTERNOON AND
CONTINUE OVERNIGHT WITH GUSTS EXPECTED TO REACH 45 TO 55 MPH OVER
THE WINDIER RIDGES AND DESERT SLOPES BY FRI AM. IT WILL ALSO BE
WINDY OVER THE COASTAL WATERS. THE WIND ADVISORY START TIME MAY NEED
TO BE ADJUSTED BACK. MODEL GUIDANCE AND LATEST LOCAL WIND PROGRAM
DO NOT INDICATE ADVISORY STRENGTH UNTIL EARLY FRI.
&&
.AVIATION...
071639...PATCHES OF BKN-SCT CLDS AT 2000-3000 FT MSL ABOUT 15 SM
INLAND OF SAN DIEGO COUNTY WILL CLEAR OUT THROUGH 2000 UTC.
MEANWHILE...AREAS OF FOG IN THE INLAND EMPIRE SHOULD SLOWLY CLEAR
THROUGH 2000 UTC AS WELL. 2000-2300 UTC...MOSTLY SKC WITH MOSTLY
UNRESTRICTED VIS. 2300-08/0300 UTC...BKN-OVC CLDS WILL SURGE
INLAND...EVENTUALLY REACHING THE MTN RIDGE-TOPS/SLOPES BY 08/0600
UTC. AS THE CLDS COME IN...BASES/TOPS WILL BE INITIALLY AT AROUND
1000-2000 FT MSL/3000 FT MSL...AND THEN RISE TO 2000-3500 FT
MSL/4500-5000 FT MSL BY 08/0900 UTC. AFTER 08/0300 UTC...-SHRA WILL
FORM AND INCREASE IN COVERAGE THROUGH FRIDAY MORNING...RESULTING IN
AREAS OF VIS/CIGS 2-5SM/800 FT AGL. ALSO...MTN OBSCURATION WILL
OCCUR DUE TO CLDS/-SHRA THROUGH FRIDAY MORNING. FINALLY...W/SW WINDS
25-35 KT WITH GUSTS TO 45 KT WILL RESULT IN MOD-STG UDDFS/LLWS OVER
THE E/NE OF THE MTNS STARTING 08/0600 UTC.
&&
.MARINE...
A LOW PRESSURE TROUGH WILL MOVE THROUGH SOUTHERN CALIFORNIA LATE
TODAY THROUGH SATURDAY...RESULTING IN SHOWERS...IN ADDITION TO A
SLIGHT CHANCE OF THUNDERSTORMS FOR FRIDAY.
THE STORM SYSTEM WILL ALSO BRING STRONG NORTHWEST WINDS AND ROUGH
SEAS OVER THE COASTAL WATERS. A WEST-NORTHWEST SWELL WILL CONTINUE
THROUGH SUNDAY...PEAKING AT 7-8 FT/12-14 SECONDS OVER THE OUTER
WATERS ON SATURDAY. THIS WILL COMBINE WITH STEEP WIND WAVES TO
PRODUCE COMBINED SEAS OF 10 FEET OR MORE OVER THE OUTER WATERS...AND
AROUND 7-9 FEET OVER PORTIONS OF THE INNER WATERS. THIS...IN
ADDITION TO THE STRONG AND GUSTY WINDS...WILL CREATE HAZARDOUS
CONDITIONS FOR SMALL CRAFT. A SMALL CRAFT ADVISORY GOES INTO EFFECT
TONIGHT AND LASTS THROUGH SATURDAY MORNING FOR THE COASTAL WATERS.
THE ELEVATED SWELL AND SURF COULD ALSO COMBINE WITH ASTRONOMICAL
HIGH TIDES TO PRODUCE MINOR COASTAL FLOODING DURING THE MID-MORNING
HOURS FRIDAY AND SATURDAY.
&&
.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WINTER WEATHER ADVISORY FROM 8 AM TO 10 PM PST FRIDAY FOR THE
RIVERSIDE COUNTY MOUNTAINS...SAN DIEGO COUNTY MOUNTAINS.
WIND ADVISORY FROM 8 PM THIS EVENING TO 10 PM PST FRIDAY FOR
THE APPLE AND LUCERNE VALLEYS...COACHELLA VALLEY...RIVERSIDE
COUNTY MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS...SAN DIEGO
COUNTY DESERTS...SAN DIEGO COUNTY MOUNTAINS.
WINTER WEATHER ADVISORY FROM 2 AM TO 10 PM PST FRIDAY FOR THE
SAN BERNARDINO COUNTY MOUNTAINS.
PZ...SMALL CRAFT ADVISORY FROM 7 PM THIS EVENING TO 10 AM PST
SATURDAY FOR THE WATERS FROM SAN MATEO POINT TO THE MEXICAN
BORDER EXTENDING 30 TO 60 NM OUT INCLUDING SAN CLEMENTE
ISLAND.
SMALL CRAFT ADVISORY FROM 2 AM FRIDAY TO 4 AM PST SATURDAY FOR
THE COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN
BORDER AND OUT 30 NM.
&&
PUBLIC...JAD
AVIATION/MARINE...HARRISONHazardous weather outlook, Feb 7, 3:45 AM PST, 8 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 345 AM PST THU FEB 7 2013 CAZ042-043-048-050-055>058-060>062-PZZ750-775-081200- ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS- RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT 30 NM- WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO 60 NM OUT INCLUDING SAN CLEMENTE ISLAND- 345 AM PST THU FEB 7 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT PATCHY FOG WILL BE POSSIBLE IN THE INLAND EMPIRE AND INLAND VALLEYS THIS MORNING. A COLD PACIFIC STORM WILL START TO TAKE AIM AT SOUTHERN CALIFORNIA LATE TONIGHT...BRINGING MODERATE TO LOCALLY STRONG GUSTY WEST WINDS TO THE MOUNTAINS AND DESERTS THIS EVENING AND INTO THE OVERNIGHT HOURS. PRECIPITATION WILL ALSO SPREAD ACROSS THE REGION LATE TONIGHT...WITH SNOW LEVELS RANGING BETWEEN 5000 AND 6000 FEET. GUSTY NORTHWEST WINDS WILL ALSO DEVELOP OVER THE COASTAL WATERS...AND COMBINE WITH HIGH SEAS TO TRIGGER A SMALL CRAFT ADVISORY LATE TONIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY FRIDAY THROUGH SATURDAY...SNOW LEVELS WILL RAPIDLY FALL DURING THE DAY ON FRIDAY...TO BETWEEN 2500 AND 3500 FEET. THEREFORE...RAIN AND LOWER ELEVATION SNOW WILL BE POSSIBLE FRIDAY AFTERNOON AND EVENING...WHICH COULD IMPACT TRAVEL ACROSS THE MAJOR PASSES AND THE HIGH DESERTS. THERE IS ALSO A SLIGHT CHANCE OF THUNDERSTORMS FRIDAY AFTERNOON AND EVENING...WHICH WILL BE CAPABLE OF PRODUCING BRIEF HEAVY RAIN AND SMALL HAIL AS WELL AS WATER SPOUTS OVER THE COASTAL WATERS. MODERATE TO STRONG GUSTY WEST WINDS WILL ALSO BE POSSIBLE IN THE MOUNTAINS AND DESERTS THROUGH FRIDAY...WITH LOCAL GUSTS TO 55 MPH. SATURDAY NIGHT THROUGH WEDNESDAY...ALTHOUGH DRIER CONDITIONS WILL DEVELOP...COLD OVERNIGHT TEMPERATURES WILL BE POSSIBLE...WITH PATCHY FROST POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. PALMER
In the hours before
Local storm report, Feb 7, 10:23 AM PST, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1023 AM PST THU FEB 07 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0809 AM DENSE FOG WARNER SPRINGS 33.28N 116.63W
02/07/2013 SAN DIEGO CA TRAINED SPOTTER
SPOTTER SDG637 REPORTED VISIBILITY AROUND 300 FEET IN
DENSE FOG OVER THE LAST HALF HOUR WHILE DRIVING FROM
TEMECULA TO RAMONA.
0832 AM DENSE FOG RIVERSIDE 33.94N 117.40W
02/07/2013 RIVERSIDE CA ASOS
MARCH AIR BASE IN RIVERSIDE HAS BEEN REPORTING VISIBILITY
OF 1/4 MILE OR LESS SINCE 0222 PST. THE LOWEST VISIBILITY
REACHED WAS 1/16 MILE AND HAS BEEN OCCURRING FROM 0658
PST TO THE PRESENT TIME.
1018 AM DENSE FOG RIVERSIDE 33.94N 117.40W
02/07/2013 RIVERSIDE CA ASOS
RIVERSIDE ASOS REPORTED VISIBILITY OF 1/4 MILE FROM 0701
PST THROUGH 0837 PST IN DENSE FOG. ONTARIO ASOS ALSO
REPORTED 1/4 MILE VISIBILITY FOR 15 MINUTES FROM 0732 TO
0747 PST.
&&
TSTALLThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 2:02 AM PST | Small Craft Advisory | SGX | 54 hr | |
| Feb 7, 2:40 AM PST | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 42 hr |
| Feb 7, 2:40 AM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino, San Diego | 9 hr |
| Feb 7, 5:20 AM PST | Dense Fog Advisory | SGX | Riverside, San Bernardino | 4 hr |
| Feb 7, 12:18 PM PST | Coastal Flood Advisory | SGX | San Diego | 45 hr |
Nearby
Winter Storm Warnings in California, 2013Every winter storm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.